Comparison

ByeByeJetLag vs JetShift

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ByeByeJetLag

This app offers a simple, effective audio guide to help travelers eliminate jet lag. Listen to a 15-minute session shortly after takeoff to adjust to your destination's time zone upon arrival. It's designed for frequent travelers and those prone to sleep disturbances.

Highlights
  • Guided audio sessions
  • Jet lag elimination
  • Travel time zone adjustment
  • Packing list bonus
  • Suitable for frequent travelers
Features
Read full description

Are you traveling and wishing you didn’t get jet lag? If you want a simple, natural & effective way to be done with jet lag, then the ByeByeJetLag App is for you! Whether you are flying to a conference in New York, for your honeymoon in Bali, or a vacation in Tuscany, the ByeByeJetLag App will help you eliminate jet lag! As the creator of the ByeByeJetLag App, I have been to over 60 countries. I used to get jet lag, and I no longer do! I am happy to pass on my proven system to you:I created an effective 15-minute guided audio for you to listen to at the start of your first long-houl flight. Follow the simple instructions and, by the time you land, you will be set for the new time zone.Repeat exactly the same easy instructions for your long-haul flight home, and you will no longer waste any time 'Adjusting'. If you cross more than 3 times zones in either directiob(or if you are prone to insomnia), listen to it again at bedtime for 7-10 evenings at your destinations. It's only 15 minutes, and you willl be able to say ByeByeJetLag! As a bonus, I included my favorite packing list for you. Enjoy & safe travels Pina De Rosa A portion of the sales of this App will benefit MissionWellington & his TreatsForPups.org 501c3 nonprofit, helping pets living in the streets

About

JetShift

This app uses circadian rhythm science to help your body adjust to new time zones quickly. It provides personalized guidance on light exposure, sleep, melatonin, and caffeine intake to minimize jet lag symptoms like fatigue and sleeplessness.

Highlights
  • Circadian rhythm science
  • Personalized light exposure timing
  • Melatonin scheduling
  • Stepwise sleep shifts
  • Smart caffeine intake
  • Offline functionality
  • Calendar integration
Features
Read full description

Whether you're a frequent flyer, international traveler, or planning your first long-haul trip, JetShift helps your body adapt to new time zones quickly and efficiently. Say goodbye to sleepless nights, daytime fatigue, and foggy mornings. --- Built on Circadian Rhythm Science JetShift applies cutting-edge research on the circadian cycle, your body’s internal clock that regulates sleep, mood, and energy. Travel disrupts this rhythm, but with precise timing of light, sleep, melatonin, and caffeine, JetShift guides you back on track. --- How JetShift Works: - Light exposure timing: Light is your strongest cue for shifting your internal clock. JetShift tells you exactly when to seek or avoid light. - Melatonin scheduling: The app helps you take melatonin at the right time, supporting your body's natural adjustment. - Stepwise sleep shifts: Gradually adjust your sleep schedule before or after your flight to reduce the shock of sudden changes. - Smart caffeine intake: Stay alert without disrupting your sleep by following optimal caffeine windows. All plans are personalized, easy to follow, and automatically synced to your flight and calendar. --- Perfect For: - Long-haul travelers - Business professionals - Athletes and performers - Jet setters and digital nomads Why JetShift? - Scientifically validated strategies - The easiest solution to skip jetlag - Fits into any schedule - automatically adapted to your calendar - Works offline during your flight - Fully adaptable for multi-stop and return trips --- The easiest solution to skip jetlag. Let JetShift help you feel great, wherever you land. Download now and give it a try on your next trip! --- Terms of Use: https://www.jet-shift.com/terms-and-conditions Privacy Policy: https://www.jet-shift.com/privacy-policy

Screenshots

ByeByeJetLag4 screens
JetShift4 screens

Verdict

The call

The clearest difference is price: JetShift at Free against ByeByeJetLag's $4.99. ByeByeJetLag's advantage is in-app purchases (none vs 3) and ratings volume (27 vs 1). On rating, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

JetShift is free to download; ByeByeJetLag costs $4.99 up front. JetShift sells 3 in-app purchases, starting at $4.99 per month. ByeByeJetLag asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ByeByeJetLag against 5.0 for JetShift. That said, the two scores are not equally well evidenced: ByeByeJetLag has 27 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

ByeByeJetLag ships an update every 3 weeks, JetShift fortnightly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
ByeByeJetLag versus JetShift: the parameters behind the verdict, then further details
ParameterByeByeJetLagJetShift
Price$4.99Free — better
Rating5.0 (27 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings27 — better1
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size44 MB71 MB
Age rating4+17+
DeveloperGratitude International LLCJannik Obenhoff

Customer experience

ByeByeJetLag

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews25 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

JetShift

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ByeByeJetLag

No in-app purchases

3 purchases

JetShift

Subscriptions3
  • JetShift Super - Monthly7 Days trial$4.991 Month
  • JetShift Super Annual Discount7 Days trial$29.991 Year
  • JetShift Super - Annual7 Days trial$49.991 Year

Questions

Is ByeByeJetLag free?
ByeByeJetLag costs $4.99, with no in-app purchases.
Is JetShift free?
JetShift is free to download, with in-app purchases available.
Which has better reviews, ByeByeJetLag or JetShift?
ByeByeJetLag and JetShift are both rated 5.0 out of 5 on the App Store, from 27 and 1 ratings respectively.
Do ByeByeJetLag or JetShift have ads?
Neither ByeByeJetLag nor JetShift shows ads.
Which is updated more often, ByeByeJetLag or JetShift?
ByeByeJetLag ships an update every 3 weeks, and JetShift fortnightly. Most recently, ByeByeJetLag was updated on October 17, 2026 and JetShift on October 13, 2026.

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